897431925 has 24 divisors (see below), whose sum is σ = 1597890784. Its totient is φ = 441812160.

The previous prime is 897431923. The next prime is 897431933. The reversal of 897431925 is 529134798.

It is not a de Polignac number, because 897431925 - 2¹ = 897431923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897431923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459247 + ... + 461196.

Almost surely, 2^897431925 is an apocalyptic number.

It is an amenable number.

897431925 is a deficient number, since it is larger than the sum of its proper divisors (700458859).

897431925 is a wasteful number, since it uses less digits than its factorization.

897431925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920469 (or 920464 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 897431925 is about 29957.1681739112. The cubic root of 897431925 is about 964.5701952732.

The spelling of 897431925 in words is "eight hundred ninety-seven million, four hundred thirty-one thousand, nine hundred twenty-five".